新东方网为同学们整理了托福听力精听讲解整理，供考生参考学习。

　　听力填空

　　回复填空答案格式如下：1____2____3____...et.al.

　　S: This doesn’t have anything to do with the lecture, Dr. Brown. It's justsomething I was wondering about.

　　T: I'm always glad to entertain questions.

　　S: What I want to know is, with all our space exploration, aren't astronomersconcerned that were polluting space, you know with spacecrafts and satellites?

　　T: That is an interesting question. Well, first of all, it's important to understandthe space isn’t that ______ as you might think. More than 1000 tons of debrisenters the earth's atmosphere every single day.

　　S: What? The spacecrafts don't need that much garbage?

　　T: No, but there are meteoroids entering our atmosphere almost constantly.You are familiar with what the moon's surface looks like, right?

　　S: But we don't have these craters on earth. I don't understand.

　　T: Remember the moon's lack of atmosphere means that even small______ make craters. But most of the meteoroids that hit the earth'satmosphere melt or break up in the air.

　　S: Causing meteorite? The ______ of light we see is that meteoroids breakingup, isn't it?

　　T: Yes, and getting back to your question about pollution, that's one way wecould deal with the ______ of satellites and spacecraft. The truth is we do havea lot of ______ing debris, and traveling at 10 to 20 thousand miles per hour.

　　S: Really? I wouldn't want to collide with anything going that fast.

　　T: It's a real danger for spacecraft. But we could dispose the debris by simplysending it back into the earth's atmosphere.

　　S: oh, so the debris was just burned up. Well, thanks a lot, Dr. Brown.

　　【填空答案】

　　1. pristine adj. 原始的，古时的;纯朴的

　　2.meteoroidsn. 流星体(meteoroid的复数);

　　3.streaks n. 条痕;直横条(streak的复数)

　　4.debris n. 碎片，残骸

　　5.orbitn. 轨道;vt. 绕…轨道而行vi. 盘旋;绕轨道运行

　　【听力原文】

　　S: This doesn’t have anything to do with the lecture, Dr. Brown. It's justsomething I was wondering about.

　　T: I'm always glad to entertain questions.

　　S: What I want to know is, with all our space exploration, aren't astronomersconcerned that were polluting space, you know with spacecrafts and satellites?

　　T: That is an interesting question. Well, first of all, it's important to understandthe space isn’t that pristine as you might think. More than 1000 tons of debrisenters the earth's atmosphere every single day.

　　S: What? The spacecrafts don't need that much garbage?

　　T: No, but there are meteoroids entering our atmosphere almost constantly.

　　You are familiar with what the moon's surface looks like, right?

　　S: But we don't have these craters on earth. I don't understand.

　　T: Remember the moon's lack of atmosphere means that even smallmeteoroids make craters. But most of the meteoroids that hit the earth'satmosphere melt or break up in the air.

　　S: Causing meteorite? The streaks of light we see is that meteoroids breakingup, isn't it?

　　T: Yes, and getting back to your question about pollution, that's one way wecould deal with the debris of satellites and spacecraft. The truth is we do havea lot of orbiting debris, and traveling at 10 to 20 thousand miles per hour.

　　S: Really? I wouldn't want to collide with anything going that fast.

　　T: It's a real danger for spacecraft. But we could dispose the debris by simplysending it back into the earth's atmosphere.

　　S: oh, so the debris was just burned up. Well, thanks a lot, Dr. Brown.

　　【参考译文】

　　S：这不会有什么做的演讲中，布朗博士。这只是东西我想了解。

　　T：我总是很高兴地招待问题。

　　S：我想知道的是，我们所有的空间探索，是不是天文学家有关被污染的空间，你知道飞船和卫星?

　　C：这是一个有趣的问题。嗯，首先，它是重要的是了解是不是原始的像你想象的空间。超过1000吨的碎片进入地球大气层的每一天。

　　S：什么?该飞船不需要这么多的垃圾?

　　T：不，但也有几乎不断地进入我们的大气层的流星。你是熟悉的月球表面看起来像，右吗?

　　S：但是我们没有在地球上这些陨石坑。我听不懂。电话：记住月球的大气的缺乏意味着，即使是小

　　流星使陨石坑。但是，大多数的流星击中地球气氛熔化或分解在空气中。

　　S：造成陨石?光的条纹，我们看到的是，流星打破起来，是不是?

　　T：是的，取回有关污染的问题，这是一种方式，我们可以处理卫星和航天器的碎片。事实是，我们有

　　很多轨道的碎片，在每小时10至20万公里行驶。

　　S：真的吗?我不想碰撞东西走那么快。

　　T：它是一个真正的飞船危险。但我们可以通过简单的处理碎片它发送回地球的大气层。

　　S：哦，这样的碎片只是烧了起来。好，非常感谢，布朗博士。

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